package com.example.diandian.service.edu.controller.admin;


import com.baomidou.mybatisplus.core.metadata.IPage;
import com.example.diandian.common.base.result.R;
import com.example.diandian.service.edu.entity.form.CourseInfoForm;
import com.example.diandian.service.edu.entity.vo.CoursePublishVo;
import com.example.diandian.service.edu.entity.vo.CourseQueryVo;
import com.example.diandian.service.edu.entity.vo.CourseVo;
import com.example.diandian.service.edu.service.CourseService;
import com.example.diandian.service.edu.service.VideoService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * <p>
 * 课程 前端控制器
 * </p>
 *
 * @author JTJ
 * @since 2020-07-19
 */
@RestController
//@CrossOrigin
@Api(description = "课程管理")
@RequestMapping("/admin/edu/course")
public class CourseController {

    @Autowired
    private CourseService courseService;

    @Autowired
    private VideoService videoService;

    @ApiOperation(value = "根据日期统计注册课程数")
    @GetMapping(value = "count-register-num/{day}")
    public R countRegisterNum(
            @ApiParam(name = "day", value = "统计日期")
            @PathVariable String day){
        Integer num = courseService.countRegisterNum(day);
        return R.ok().data("registerNum", num);
    }

    @ApiOperation("根据ID获取课程发布信息")
    @GetMapping("course-publish/{id}")
    public R getCoursePublishVoById(
            @ApiParam(value = "课程ID", required = true)
            @PathVariable String id){

        CoursePublishVo coursePublishVo = courseService.getCoursePublishVoById(id);
        if (coursePublishVo != null) {
            return R.ok().data("item", coursePublishVo);
        } else {
            return R.error().message("数据不存在");
        }
    }

    @ApiOperation("根据id发布课程")
    @PutMapping("publish-course/{id}")
    public R publishCourseById(
            @ApiParam(value = "课程ID", required = true)
            @PathVariable String id){

        boolean result = courseService.publishCourseById(id);
        if (result) {
            return R.ok().message("发布成功");
        } else {
            return R.error().message("数据不存在");
        }
    }

    @ApiOperation("根据ID删除课程")
    @DeleteMapping("remove/{id}")
    public R removeById(
            @ApiParam(value = "课程ID", required = true)
            @PathVariable String id){

        ///删除视频：VOD
        videoService.removeMediaVideoByCourseId(id);

        //删除封面：OSS
        courseService.removeCoverById(id);
        //删除课程
        boolean result = courseService.removeCourseById(id);
        if (result) {
            return R.ok().message("删除成功");
        } else {
            return R.error().message("数据不存在");
        }
    }

    @ApiOperation("分页课程列表")
    @GetMapping("list/{page}/{limit}")
    public R index(
            @ApiParam(value = "当前页码",required = true)
            @PathVariable Long page,
            @ApiParam(value = "每页记录数",required = true)
            @PathVariable Long limit,
            @ApiParam(value = "查询对象")
            CourseQueryVo courseQueryVo){
        IPage<CourseVo> pageModel = courseService.selectPage(page,limit,courseQueryVo);
        List<CourseVo> records = pageModel.getRecords();
        long total = pageModel.getTotal();
        return  R.ok().data("total", total).data("rows", records);
    }

    @ApiOperation("更新课程")
    @PutMapping("update-course-info")
    public R updateCourseInfoById(
            @ApiParam(value = "课程信息",required = true)
            @RequestBody CourseInfoForm courseInfoForm){
        courseService.updateCourseInfoById(courseInfoForm);
        return R.ok().message("修改成功");
    }

    @ApiOperation("根据ID查询课程")
    @GetMapping("course-info/{id}")
    public R getById(
            @ApiParam(value = "课程ID",required = true)
            @PathVariable String id){
        CourseInfoForm courseInfoForm = courseService.getCourseInfoById(id);
        if (courseInfoForm != null){
            return R.ok().data("item",courseInfoForm);
        } else {
            return R.error().message("数据不存在");
        }
    }

    @ApiOperation("新增课程")
    @PostMapping("save-course-info")
    public R saveCourseInfo(
            @ApiParam(value = "课程基本信息", required = true)
            @RequestBody CourseInfoForm courseInfoForm){
        String courseId = courseService.saveCourseInfo(courseInfoForm);
        return R.ok().message("保存成功").data("courseId",courseId);
    }
}

